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Subject - Chemistry:

Basics

MCQ - 479-2665

Question:

The test which is used for the identification of amino-acids is

  1. Ninhydrin test
  2. Molisch test
  3. Biuretic test
  4. Molisch test

Correct Answer: A

Explanation:

Ninhydrin (2,2-Dihydroxyindane-1,3-dione) is a chemical used to detect ammonia or primary and secondary amines. When reacting with these free amines, a deep blue or purple color known as Ruhemann's purple is produced. Ninhydrin is most commonly used to detect fingerprints

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